New York Times

April 13, 2019

"The fight is an existential one for Qualcomm, at least as it has operated for most of its nearly 34 years in business. The company, based in San Diego, pioneered a type of cellular communications in the 1990s that later became a mainstay of mobile devices. That innovation allowed Qualcomm to charge patent royalties on nearly every smartphone sold, which generates the bulk of its profits."

https://www.nytimes.com/2019/04/13/technology/apple-qualcomm-chips-smartphones.html